28533388005 has 24 divisors (see below), whose sum is σ = 49548331872. Its totient is φ = 15189973344.

The previous prime is 28533387991. The next prime is 28533388007. The reversal of 28533388005 is 50088333582.

28533388005 is a `hidden beast` number, since 2 + 8 + 533 + 38 + 80 + 0 + 5 = 666.

It is not a de Polignac number, because 28533388005 - 2⁵ = 28533387973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28533388007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554979 + ... + 604208.

It is an arithmetic number, because the mean of its divisors is an integer number (2064513828).

Almost surely, 2^28533388005 is an apocalyptic number.

It is an amenable number.

28533388005 is a deficient number, since it is larger than the sum of its proper divisors (21014943867).

28533388005 is a wasteful number, since it uses less digits than its factorization.

28533388005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159745 (or 1159742 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 28533388005 in words is "twenty-eight billion, five hundred thirty-three million, three hundred eighty-eight thousand, five".